.index {
  height: 100vh;
  width: 100vw;
  // overflow: hidden;
}

.test {
  width: 100vw;
}

.nav_bar_box {
  width: 100vw;
  position: fixed;
  background: linear-gradient(269.81deg, #3e73fe 3.6%, #529cfe 99.84%);
  .nav_bar_body {
    height: 44px;
    width: 100vw;
    position: absolute;
    left: 0;
    bottom: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #ffffff;
    .back_box {
      width: 87px;
      height: 32px;
      position: absolute;
      left: 6px;
      top: 5.5px;
      display: flex;
      align-items: center;
      .back_icon {
        margin-left: 11px;
        width: 9px;
        height: 17px;
      }
    }
  }
}
